I recently upgraded from 12.04 to 13.04 (through 12.10). I have re-enabled workspaces in Appearances/Compiz, have a workspace-switcher launcher icon, and can expo with Super-s. The keyboard shortcuts tab lists Ctrl-Alt-Arrows as the workspace switch shortcuts, but those hot-key combinations don't actually switch my workspaces.

Potentially related: the workspace switcher launcher icon does not accurately reflect windows that are open in workspaces; there is a default-looking two window image that follows the workspace that I'm in regardless of the existence of windows in that or other workspaces. I don't especially care about this functionality, but if it is supposed to be working and isn't, it might stem from the same problem.

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I tried to reset the hotkeys, just to be sure. Compiz had <Ctrl><Alt>Left. Trying to reset, compiz interpreted my Ctrl key as being <Primary>. In any case, changing all <Ctrl> instances to <Primary> didn't work either, but it might be a hint as to what went wrong. Did you file a bug report?
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EarthliŋMay 2 '13 at 17:55

I have not filed a bug report. If someone else does, that would be great...
–
Max HutchinsonMay 2 '13 at 22:00

I have this same dang problem. Next stop, bug reports.
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pthurmondSep 23 '13 at 21:49